Qinling Mountains—Where is the Huaihe River?

The Qinling Mountains-Huaihe River line passes through Gansu, Shaanxi, Henan, Anhui, Jiangsu and other provinces. It is an important geographical dividing line in central and eastern China. Its south and north have important differences in climate, rivers, vegetation, soil, and agriculture. There are significant differences in production and other aspects.

The Qinling Mountains-Huaihe River line is what we often call the geographical dividing line between north and south China. There are obvious differences between the north and south of this line in terms of natural conditions, agricultural production methods, geographical features and people's living customs.

In central China lies an east-west mountain range - the Qinling Mountains. It is like a "wind-blocking wall" that prevents the cold air from going south in winter and intercepts the northward movement of the southeast monsoon in summer.

Since ancient times, due to the special geographical environment of the Qinling Mountains and the resulting differences in climate changes, cultural landscapes, and living customs between the north and south of the Qinling Mountains, it has been called the dividing line between the north and the south of my country. It is customary to call the south of the Qinling Mountains the south of my country, and the north of the Qinling Mountains the north of my country. However, the official name of Qinling Mountains only came into existence during the Han Dynasty.

Extended information:

The natural dividing line between the north and the south of my country is actually the climate dividing line first. In terms of the thermal zone, it is the boundary between the warm temperate zone in the north and the subtropical zone in the south; in terms of moisture division, it is the boundary between the northern arid climate, semi-humid climate and southern humid climate; in the rainy and dry season type division, it is the northern spring drought, summer rain climate and The boundaries between spring rain, plum rain and drought in the south.

However, this transition and change is accomplished through a fairly wide belt. On both sides of the Huaihe River, the distance is ten to twenty kilometers or even wider, and no changes in climate, agriculture, natural landscape, etc. can be seen. In fact, since the Huaihe River area is mainly a plain area, the flow of cold and warm air from the north to the south is unobstructed, and it is indeed impossible to create a clear dividing line between the north and the south.

Take the saying "Oranges over the Huaihe River and tangerines to the north" as an example. Due to the strong cold air coming from the south and south in eastern my country in winter, which often brings fatal low temperatures to citrus, even on both sides of the Yangtze River south of the Huaihe River, except for some Outside of favorable areas, there is generally no economic value in growing citrus.

Reference: Baidu Encyclopedia-North-South Dividing Line